package com.w.tank;

import java.util.ArrayList;

public class Test {
    public static void main(String[] args) {
//        A<String> a = new A<String>();
//        a.test("this is test");


        ArrayList<ArrayList<Integer>>  s = new ArrayList<ArrayList<Integer>>();
        ArrayList<Integer> s1 = new ArrayList<>();
        s1.add(1);
        s1.add(2);
        s.add(s1);
        ArrayList<Integer> s2 = new ArrayList<>();
        s2.add(1);
        s2.add(2);
        System.out.println(s.contains(s2));

    }

}


class  A<E>{
    public A(){
        System.out.println("this is test!");
    }
    public void test(E item){
        System.out.println(item);

    }

}